has issued a dense fog advisory for the delta and sacramento. by fairfield, further east, you may run into dense fog out there, so be careful. 50 at half moon bay, low 50's at los gatos and upper 50's in santa cruz and 50's in watsonville. the visibility is not great in livermore or santa rosa but improving in napa. novato is up to ten miles. you are half a mile just an hour ago. you will see it is improving around the airport and hayward. san jose has clouds at eight miles visibility. with the cooler air and the trough that is swinging through, we had another system that went through earlier, and numbers are cooler especially at coast, nine degrees cooler this morning with five degrees cooler in livermore, so there is milder mornings are a thing of the past going tomorrow morning where it will be much, much cooler. areas of fog still this morning mainly in our east bay, turning cooler with breezy northwest winds along the shoreline and a cool dry pattern into next week as we begin february with no rain, at all, right on through the super bowl.